Country diary: on the site of a drowned town

Dunwich, Suffolk: We’re buffeted past anglers huddled in tents, backed to the windThe 14th-century Gough map of Great Britain, drawn east-uppermost, looks like a pantomime dame’s shoe, with Scotland as a long toe, Wales and Cornwall forming an ornate block heel, and East Anglia and Kent a sort of ankle cuff.I’ve travelled from Yorkshire to Suffolk, cartographic left to right, to a place marked on the map by a cluster of red roofs and a spire, indicating one of England’s l